OmniFocus has a similar thing, with a standalone “Enterprise” edition (https://apps.apple.com/us/app/omnifocus-3-enterprise/id1484755344 https://apps.apple.com/

OmniFocus has a similar thing, with a standalone “Enterprise” edition (https://apps.apple.com/us/app/omnifocus-3-enterprise/id1484755344 https://apps.apple.com/us/app/omnifocus-3-enterprise/id14847...), where IAP is replaced with an upfront price. I believe it’s because schools can get a volume discount on paid apps but not IAP, and Omni says it “simplifies deployment” for enterprise users.